A New Type of Hybrid Renewable Energies Power Plant with a Design for an Off-shore Location

Document Type : Original Article

Authors

Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran

Abstract

This study introduces the concept of hybrid renewable energy power plants (HREPPs) which utilize various renewable energy sources to generate electricity. The solar chimney pond, air pumps, and underwater compressed air storage power plant (SCPAUPP) is a novel hybrid system designed for deployment in near-water areas. The SCPAUPP utilizes a solar chimney, solar pond, air pumps, and multi-level underwater compressed air energy storage to create an operational power plant capable of supplanting offshore fossil-fueled power plants. The governing equations of the SCPAUPP were derived and solved analytically, considering each subsystem as an independent entity and an integral part of the overall system. One of the primary benefits of SCPAUPP is its ability to store solar and wind energy through non-electric means, enabling enhanced control over power demand and supply without the need for large quantities of electrical batteries.The aim of this study is to demonstrate the limitations that arise from relying solely on a single renewable energy source instead of conventional fossil fuel power plants. However, the careful incorporation of a cohesive design tailored to a particular geographical area might improve the effectiveness of such replacement.To enhance comprehension of the potential of these systems, two case studies are presented. The objective of these case studies is to illustrate the complete spectrum of power generation options, encompassing both small-scale and large-scale scenarios. The small-scale power plant has a consistent daily power production ranging from 2.2436 × 103 (kWh) to 7.6229 × 103 (kWh), while the large-scale power plant has a daily power production ranging from 9.7191 × 106(kWh) to 65.753 × 106(kWh). The findings indicate that, with appropriate design and careful consideration of various factors, including economic and environmental concerns, these novel forms of renewable energy power plants have the potential to replace a portion of the existing fossil fuel-based power plants in the near future.

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Main Subjects

References

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Energy Engineering and Management
Volume 13, Issue 4
March 2024
Pages 66-86

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